diff --git a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
index d9f91b870..bbae7a5bb 100755
--- a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
+++ b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
@@ -922,7 +922,7 @@
 #define HUNTING_MCU_UART				ENABLE
 #define HUNTING_IR_LED_940				ENABLE
 #define SF_EXIF_MN_BUF_SIZE		256
-#define SF_BASE_VERSION				    "7MR5RCwDB08"
+#define SF_BASE_VERSION				    "7MR5RCwDB09"
 #define HW_S530 DISABLE
 #define DCF_DIR_NAME					"MEDIA" /* 100MEDIA */
 #define DCF_FILE_NAME					"SYGW"  /* SYFW0001.JPG */
diff --git a/code/application/source/sf_app/code/include/sf_commu_mcu_reg.h b/code/application/source/sf_app/code/include/sf_commu_mcu_reg.h
index 768231d66..558b6b7bc 100755
--- a/code/application/source/sf_app/code/include/sf_commu_mcu_reg.h
+++ b/code/application/source/sf_app/code/include/sf_commu_mcu_reg.h
@@ -356,7 +356,7 @@ unsigned char sf_mcu_wdg_off(void);
 void sf_set_module_sleep_flag(UINT8 flag);
 UINT8 sf_get_module_sleep_flag(void);
 int sf_app_while_flag(void);
-void sf_set_sim_insert(UINT32 sim);
+void sf_set_sim_insert(INT32 sim);
 UINT32 sf_get_sim_insert(void);
 int sf_get_signal_ready(void);
 int sf_set_signal_ready(int value);
diff --git a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
index 4f1ae83c0..8b66623e7 100755
--- a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
+++ b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
@@ -57,7 +57,10 @@ unsigned char POWEROFF = 0;
 SF_TIME_S sfMcuTime = { 0 };
 static BOOL ConfigureModeFlag = 0;		/* 0: HTC Mode, 1: Nomal Mode */
 //static UINT8 PowerOnMode = 0;  //=>PWR_ON_SETUP
-static UINT32 simCardInsert=0;
+#define SIM_CARD_INSERT 1
+#define SIM_CARD_NOT_INSERT 0
+#define SIM_CARD_DEFAULT_STATUS -1
+static INT32 simCardInsert = SIM_CARD_DEFAULT_STATUS;
 static UINT8 gModuleSleep = 1;
 static int isSignalReady = -1;
 static SINT32 GPRS_ERRNO = 0; 
@@ -1225,7 +1228,7 @@ int sf_app_while_flag(void)
         return 0;
     }
 }
-void sf_set_sim_insert(UINT32 sim)
+void sf_set_sim_insert(INT32 sim)
 {
     if(simCardInsert != sim)
     {
diff --git a/code/lib/source/sifar/code/include/sf_mcu.h b/code/lib/source/sifar/code/include/sf_mcu.h
index 7d3f6d01e..3bbd3516c 100644
--- a/code/lib/source/sifar/code/include/sf_mcu.h
+++ b/code/lib/source/sifar/code/include/sf_mcu.h
@@ -396,7 +396,7 @@ void sf_set_power_off_flag(UINT8 flag);
 UINT8 sf_get_power_off_flag(void);
 int sf_while_flag(void);
 UINT8 sf_mcu_power_on_para_get(MCUParam_t attrId);
-void sf_set_sim_insert(UINT8 sim);
+void sf_set_sim_insert(INT32 sim);
 UINT8 sf_get_mcu_rtc_set_sys(void);
 unsigned short sf_get_mcu_ver(void);
 UINT16 sf_mcu_get_irshtter(void);
diff --git a/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c b/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
index d53618fb1..5f6483806 100644
--- a/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
+++ b/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
@@ -59,7 +59,10 @@ static UINT8 ModuleUpdating = 0;
 static BOOL ConfigureModeFlag = 0;		/* 0: HTC Mode, 1: Nomal Mode */
 static UINT8 AeNightMode = 0; /* 0:day  1:night */
 //#define	printf(fmt, args...)	printk(fmt , ## args)
-static UINT32 simCardInsert=0;
+#define SIM_CARD_INSERT 1
+#define SIM_CARD_NOT_INSERT 0
+#define SIM_CARD_DEFAULT_STATUS -1
+static INT32 simCardInsert = SIM_CARD_DEFAULT_STATUS;
 static UINT8 gModuleSleep = 1;
 UINT32 SmsCheck = 0;
 static UINT8 McuProductInfo = 0;
@@ -2027,7 +2030,7 @@ int sf_while_flag(void)
 	}
 }
 
-void sf_set_sim_insert(UINT8 sim)
+void sf_set_sim_insert(INT32 sim)
 {
 	simCardInsert = sim;
 }